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Finding the Fourth Proportional to 352,987.56, 529,367.57 and 116,273.88

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Solution

The fourth proportional to 352,987.56, 529,367.57 and 116,273.88 is: 174,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,987.56 : 529,367.57 = 116,273.88 : x
  2. Step 2: Convert to fraction form
    352,987.56/529,367.57 = 116,273.88/x
  3. Step 3: Cross multiply
    352,987.56x = 529,367.57 × 116,273.88
  4. Step 4: Simplify right side
    352,987.56x = 61,551,621,310.07
  5. Step 5: Solve for x
    x = 61,551,621,310.07/352,987.56
  6. Step 6: Final answer
    x = 174,373.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.